84732728 has 16 divisors (see below), whose sum is σ = 162254880. Its totient is φ = 41464768.

The previous prime is 84732727. The next prime is 84732731. The reversal of 84732728 is 82723748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84732727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112301 + ... + 113052.

It is an arithmetic number, because the mean of its divisors is an integer number (10140930).

Almost surely, 2^84732728 is an apocalyptic number.

It is an amenable number.

84732728 is a deficient number, since it is larger than the sum of its proper divisors (77522152).

84732728 is a wasteful number, since it uses less digits than its factorization.

84732728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225406 (or 225402 counting only the distinct ones).

The product of its digits is 150528, while the sum is 41.

The square root of 84732728 is about 9205.0381856894. The cubic root of 84732728 is about 439.2216404235.

The spelling of 84732728 in words is "eighty-four million, seven hundred thirty-two thousand, seven hundred twenty-eight".